CN207539023U - A kind of screw gear type low noise steering pump - Google Patents
A kind of screw gear type low noise steering pump Download PDFInfo
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- CN207539023U CN207539023U CN201721278725.2U CN201721278725U CN207539023U CN 207539023 U CN207539023 U CN 207539023U CN 201721278725 U CN201721278725 U CN 201721278725U CN 207539023 U CN207539023 U CN 207539023U
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- pump
- rotation axis
- postoperculum
- helical gear
- low noise
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Abstract
The utility model is related to automobile fuel pump technical fields, especially a kind of screw gear type low noise steering pump, including the pump housing, syringe pump method orchid and pump postoperculum are separately installed at the both ends open of the pump housing, pump postoperculum is connect by multiple screws with the pump housing, run through on the pump postoperculum and be equipped with flow control valve, the inside of the pump housing is equipped with passive helical gear shaft and active helical gear shaft successively from top to bottom, the passive helical gear shaft both ends are flexibly connected respectively with syringe pump method orchid and pump postoperculum, one end of the active helical gear shaft is flexibly connected with pump postoperculum, the other end is blue through syringe pump method and extends to the outside of the pump housing.The active helical gear and passive helical gear are in engagement process continuously without pocketed oil region.The utility model is simple in structure, easy to use, applied to new-energy automobile so that noise level is lower in driver's cabin, and driver is more comfortable；The service life of steering pump is improved simultaneously, meanwhile, it can also be applied to other need on mute indoor equipment or military installations.
Description
Technical field
The utility model is related to automobile fuel pump technical field more particularly to a kind of screw gear type low noise steering pumps.
Background technology
With the development of new energy technology, requirement of the user to automobile energy-saving environmental protection is more higher and higher, particularly to automobile
The noise requirements of hydraulic power steering system are higher and higher, since the power source of integral new-energy passenger is mainly driven using motor, use
Family is higher and higher to the sensibility of noise, therefore the noise in steering is also mainly derived from fluid-link steering oil pump, and current
The steering pump used on institute's automobile power steering system mainly has vane type and the wheeled steering pump of full depth tooth, both steerings
Oil pump cannot meet requirement of the integral new-energy passenger to noise under existing operating mode.
Utility model content
The purpose of this utility model be in order to solve it is in the prior art can not meet in the prior art new energy visitor
The shortcomings that requirement of the vehicle to noise, and a kind of screw gear type low noise steering pump proposed.
To achieve these goals, the utility model employs following technical solution：
A kind of screw gear type low noise steering pump is designed, including the pump housing, is pacified respectively at the both ends open of the pump housing
It is connect equipped with syringe pump method orchid and pump postoperculum, pump postoperculum by multiple lock-screws with the pump housing, runs through being equipped with flow on the pump postoperculum
Control valve, the inside of the pump housing are equipped with the first rotation axis and the second rotation axis successively from top to bottom, first rotation axis
Both ends are flexibly connected respectively with syringe pump method orchid and pump postoperculum, and one end of second rotation axis is flexibly connected with pump postoperculum, and described
The other end of two rotation axis is blue through syringe pump method and extends to the outside of the pump housing, first rotation axis and the design of passive helical gear
Integrally it is known as passive helical gear shaft, the second rotation axis and the design of active helical gear are integrally known as active helical gear
It is socketed with the first split seat ring and the second split seat ring on the both ends of axis, first rotation axis and the second rotation axis, two
One end of the first split seat ring is contacted with pump postoperculum, one end and the pump flange contact of two the second split seat rings.
Preferably, be equipped with the second sealing ring between the pump postoperculum and the pump housing, the pump postoperculum and the first split seat ring it
Between be equipped with the first sealing ring.
Preferably, the side of the syringe pump method orchid far from the pump housing offers the second installation with the second rotation axis arranged in co-axial alignment
Slot, second mounting groove are internally provided with oil sealing, and the oil sealing is equipped with hole baffle ring close to the side of the second installation channel opening,
And oil sealing and hole are socketed in baffle ring in the second rotation axis.
Preferably, the first mounting groove, first installation are offered at the top of the one end of second rotation axis far from the pump housing
The matching internal of slot is equipped with flat key.
Preferably, the side of the first split seat ring and the second split seat ring offers multiple strip holes, the length
Hole is arranged in a symmetrical manner, the end to contact with each other between two the second split seat rings between two the first split seat rings
Face is horizontal.
Preferably, the teeth of the passive helical gear and active helical gear are in involute radiused ramp shape.
Preferably, the side of the pump postoperculum, which is run through, is equipped with dummy piston corresponding with the second rotation shaft position, and second
One end of rotation axis is socketed in the endoporus of dummy piston, and is slided along the inner surface of dummy piston.
The utility model proposes a kind of screw gear type low noise steering pump, advantageous effect is：By adding in quilt
Dynamic helical gear and active helical gear, due to the involute circular arc helical gear using special designing, gear is in engagement process
It continuously runs, there is no the pocketed oil region during engagement of ordinary gear oil pump gear, applied to new-energy automobile so that driver's cabin
Interior noise level is lower, and driver is more comfortable at work, while improves the service life of steering pump；By adding in first point
Housing circle and the second split seat ring, the balance quality for increasing the axial compressive force of the first rotation axis and the second rotation axis improve.This reality
It is simple, easy to use with new structure, applied to new-energy automobile so that noise level is lower in driver's cabin, driver Geng Shu
It is suitable；The service life of steering pump is improved simultaneously, meanwhile, it can also be applied to the mute indoor equipment of other needs or military affairs
On facility.
Description of the drawings
Fig. 1 be the utility model proposes a kind of screw gear type low noise steering pump structural front view；
Fig. 2 be the utility model proposes a kind of screw gear type low noise steering pump structure right side view；
Fig. 3 be the utility model proposes a kind of screw gear type low noise steering pump structure left side view；
Fig. 4 be the utility model proposes a kind of screw gear type low noise steering pump passive helical gear and second
Rotation axis attachment structure schematic diagram；
Fig. 5 be the utility model proposes a kind of screw gear type low noise steering pump active helical gear and first
Rotation axis attachment structure schematic diagram；
Fig. 6 be the utility model proposes a kind of the first Split seat coil structures of screw gear type low noise steering pump show
It is intended to.
In figure：Syringe pump method orchid 1, pump postoperculum 2, dummy piston 3, the first sealing ring 4, the second sealing ring 5, the first split seat ring 6,
Passive helical gear 7, active helical gear 8, the pump housing 9, the second split seat ring 10, bearing 11, sealing ring 12, oil sealing 13, Kong Yong
Baffle ring 14, flat key 15, the first rotation axis 16, the second rotation axis 17, flow control valve 18, the first mounting groove 19, the second mounting groove
20th, screw 21, strip hole 22.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely retouches, it is clear that the embodiment of description is only the implementation of the utility model part of the embodiment rather than whole
Example.
With reference to Fig. 1-6, a kind of screw gear type low noise steering pump, including the pump housing 9, the both ends open of the pump housing 9 is punished
Syringe pump method orchid 1 is not installed and pump postoperculum 2, pump postoperculum 2 are connect by multiple screws 21 with the pump housing 9, runs through being equipped with stream on pump postoperculum 2
Control valve 18.
The inside of the pump housing 9 is equipped with the first rotation axis 16 and the second rotation axis 17 successively from top to bottom, the first rotation axis 16
Both ends are flexibly connected respectively with syringe pump method orchid 1 and pump postoperculum 2, and the second sealing ring 5, pump postoperculum 2 are equipped between pump postoperculum 2 and the pump housing 9
And first be equipped with the first sealing ring 4 between split seat ring 6, improves pump postoperculum 2 respectively between 9 and first split seat ring 6 of the pump housing
Sealing performance.
One end of second rotation axis 17 is flexibly connected with pump postoperculum 2, and the side of pump postoperculum 2, which is run through, to be equipped with and the second rotation axis
The corresponding dummy piston 3 in 17 positions, and end face of the dummy piston 3 with the second rotation axis 17 under the action of oil pressure is tightly attached to
Together, the axial force that the active helical gear 8 on second driving shaft generates in engagement process is balanced, reduces active helical tooth
Wheel 8 and the frictional force between split seat ring 6 and split seat ring 10 improve the service life of oil pump.
The other end of second rotation axis 17 runs through syringe pump method orchid 1 and extends to the outside of the pump housing 9, and syringe pump method orchid 1 is far from the pump housing 9
Side offer the second mounting groove 20 with 17 arranged in co-axial alignment of the second rotation axis, the second mounting groove 20 is internally provided with oil sealing
13, oil sealing 13 is equipped with hole baffle ring 14 close to the side that the second mounting groove 20 is open, and oil sealing 13 and hole are socketed with baffle ring 14
In the second rotation axis 17, the sealing performance between the second rotation axis 17 and syringe pump method orchid 1 is improved, the second rotation axis 17 is far from the pump housing
The first mounting groove 19 is offered at the top of 9 one end, the matching internal of the first mounting groove 19 is equipped with flat key 15, in the second rotation axis
The stability connected between the second rotation axis 17 and motor is improved during 17 work.
First rotation axis 16 and passive helical gear 7, which design, is integrally known as passive helical gear shaft, the second rotation axis 17
It is designed with active helical gear 8 and is integrally known as active helical gear shaft, wherein passive helical gear 7 and active helical gear 8
Teeth in involute radiused ramp shape, passive helical gear 7 and active helical gear 8 are continuously run in engagement process, no
There are the pocketed oil regions during engagement of ordinary gear oil pump gear.
The first split seat ring 6 and the second split seat ring are socketed on the both ends of first rotation axis 16 and the second rotation axis 17
10, one end of two the first split seat rings 6 is contacted with pump postoperculum 2, and one end and the syringe pump method orchid 1 of two the second split seat rings 10 connect
It touches, the side of the first split seat ring 6 and the second split seat ring 10 offers multiple strip holes 22, and strip hole 22 is with symmetrical
Mode is arranged, and the end face to contact with each other between two the second split seat rings 10 between two the first split seat rings 6 is horizontal,
Convenient for the flowing of fluid, so as to improve the stability of pressure in the pump housing 9.
Operation principle：When motor drives active helical gear 8, active helical gear 8 drives passive helical gear 7 to revolve
Turn, due to forming oil sucting cavity and pumping cavity between active helical gear 8, passive helical gear 7 and the pump housing 9, what pumping cavity came out
Oil passes through the flow control valve 18 of pump postoperculum 2 so that the final output flow of 18 control oil pump of flow control valve meets automobile
Applying working condition.Again because the teeth of passive helical gear 7 and active helical gear 8 are in involute circular arc helical teeth shape, passive helical tooth
Wheel 7 and active helical gear 8 are continuously run in engagement process, and there is no the pocketed oil areas during engagement of ordinary gear oil pump gear
Domain, so that when the oil pump is run, noise is down to 60 decibels.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of screw gear type low noise steering pump, including the pump housing（9）, the pump housing（9）Both ends open at pacify respectively
Equipped with syringe pump method orchid（1）And pump postoperculum（2）, pump postoperculum（2）Pass through multiple screws（21）With the pump housing（9）Connection, the pump postoperculum（2）
It is upper to run through equipped with flow control valve（18）, which is characterized in that the pump housing（9）Inside from top to bottom successively be equipped with first rotation
Axis（16）With the second rotation axis（17）, first rotation axis（16）Both ends respectively with syringe pump method orchid（1）And pump postoperculum（2）Activity
Connection, second rotation axis（17）One end and pump postoperculum（2）Flexible connection, second rotation axis（17）The other end pass through
Wear syringe pump method orchid（1）And extend to the pump housing（9）Outside, first rotation axis（16）With passive helical gear（7）It is designed to one
Body is known as passive helical gear shaft, the second rotation axis（17）With active helical gear（8）Design is integrally known as active helical tooth
Wheel shaft, first rotation axis（16）With the second rotation axis（17）Both ends on be socketed with the first split seat ring（6）With second
Split seat ring（10）, two the first split seat rings（6）One end and pump postoperculum（2）Contact, two second Split seats
Circle（10）One end and syringe pump method it is blue（1）Contact.
A kind of 2. screw gear type low noise steering pump according to claim 1, which is characterized in that the pump postoperculum
（2）And the pump housing（9）Between be equipped with the second sealing ring（5）, the pump postoperculum（2）With the first split seat ring（6）Between be equipped with first
Sealing ring（4）.
3. a kind of screw gear type low noise steering pump according to claim 1, which is characterized in that the syringe pump method is blue
（1）Far from the pump housing（9）Side offer and the second rotation axis（17）Second mounting groove of arranged in co-axial alignment（20）, second peace
Tankage（20）Be internally provided with oil sealing（13）, the oil sealing（13）Close to the second mounting groove（20）The side of opening is kept off equipped with hole
Circle（14）, and oil sealing（13）With hole baffle ring（14）It is socketed in the second rotation axis（17）On.
A kind of 4. screw gear type low noise steering pump according to claim 1, which is characterized in that second rotation
Axis（17）Far from the pump housing（9）One end at the top of offer the first mounting groove（19）, first mounting groove（19）Matching internal
Flat key is installed（15）.
A kind of 5. screw gear type low noise steering pump according to claim 1, which is characterized in that first split
Seat ring（6）With the second split seat ring（10）Side offer 2 strip holes（22）, the strip hole（22）With symmetrical side
Formula is arranged, two the first split seat rings（6）Between and two the second split seat rings（10）Between the end face that contacts with each other be in
It is horizontal.
A kind of 6. screw gear type low noise steering pump according to claim 1, which is characterized in that the passive spiral
Gear（7）With active helical gear（8）Teeth be in involute circular arc helical teeth shape.
A kind of 7. screw gear type low noise steering pump according to claim 1, which is characterized in that the pump postoperculum
（2）Side run through be equipped with and the second rotation axis（17）The corresponding dummy piston in position（3）, and the second rotation axis（17）One end
It is socketed in dummy piston（3）Endoporus in, and along dummy piston（3）Inner surface slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721278725.2U CN207539023U (en) | 2017-09-30 | 2017-09-30 | A kind of screw gear type low noise steering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721278725.2U CN207539023U (en) | 2017-09-30 | 2017-09-30 | A kind of screw gear type low noise steering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539023U true CN207539023U (en) | 2018-06-26 |
Family
ID=62610022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721278725.2U Active CN207539023U (en) | 2017-09-30 | 2017-09-30 | A kind of screw gear type low noise steering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847048A (en) * | 2021-10-09 | 2021-12-28 | 浙江大学 | Multi-pump electric control cooperative tunneling machine cutter head driving servo control system and control method |
| CN114962252A (en) * | 2022-04-20 | 2022-08-30 | 宁波安信数控技术有限公司 | Electric gear pump |
-
2017
- 2017-09-30 CN CN201721278725.2U patent/CN207539023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847048A (en) * | 2021-10-09 | 2021-12-28 | 浙江大学 | Multi-pump electric control cooperative tunneling machine cutter head driving servo control system and control method |
| CN114962252A (en) * | 2022-04-20 | 2022-08-30 | 宁波安信数控技术有限公司 | Electric gear pump |
| CN114962252B (en) * | 2022-04-20 | 2024-03-26 | 宁波安信数控技术有限公司 | Electric gear pump |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |